Home / 825,031.59-1,138,596.21-462,455.55

Finding the Fourth Proportional to 825,031.59, 1,138,596.21 and 462,455.55

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Solution

The fourth proportional to 825,031.59, 1,138,596.21 and 462,455.55 is: 638,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,031.59 : 1,138,596.21 = 462,455.55 : x
  2. Step 2: Convert to fraction form
    825,031.59/1,138,596.21 = 462,455.55/x
  3. Step 3: Cross multiply
    825,031.59x = 1,138,596.21 × 462,455.55
  4. Step 4: Simplify right side
    825,031.59x = 526,550,136,523.47
  5. Step 5: Solve for x
    x = 526,550,136,523.47/825,031.59
  6. Step 6: Final answer
    x = 638,218.15

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.